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IsaAlievIsaAliev
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Finish implementing basic views
1 parent 0c26f4b commit ef1b560

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5 files changed

+226
-21
lines changed

5 files changed

+226
-21
lines changed

‎CodeInputView.xcodeproj/project.pbxproj‎

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@@ -13,6 +13,8 @@
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CE901F20205AF28000C688DD /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = CE901F1F205AF28000C688DD /* Assets.xcassets */; };
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CE901F23205AF28000C688DD /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = CE901F21205AF28000C688DD /* LaunchScreen.storyboard */; };
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CE901F2B205AF32600C688DD /* CodeInputView.swift in Sources */ = {isa = PBXBuildFile; fileRef = CE901F2A205AF32600C688DD /* CodeInputView.swift */; };
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CEBF4F4B2066881500D31600 /* CodeInputField.swift in Sources */ = {isa = PBXBuildFile; fileRef = CEBF4F4A2066881500D31600 /* CodeInputField.swift */; };
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CEBF4F4D2066A2AD00D31600 /* DotInputField.swift in Sources */ = {isa = PBXBuildFile; fileRef = CEBF4F4C2066A2AD00D31600 /* DotInputField.swift */; };
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/* End PBXBuildFile section */
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/* Begin PBXFileReference section */
@@ -24,6 +26,8 @@
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CE901F22205AF28000C688DD /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
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CE901F24205AF28000C688DD /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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CE901F2A205AF32600C688DD /* CodeInputView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CodeInputView.swift; sourceTree = "<group>"; };
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CEBF4F4A2066881500D31600 /* CodeInputField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CodeInputField.swift; sourceTree = "<group>"; };
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CEBF4F4C2066A2AD00D31600 /* DotInputField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DotInputField.swift; sourceTree = "<group>"; };
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/* End PBXFileReference section */
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/* Begin PBXFrameworksBuildPhase section */
@@ -63,6 +67,8 @@
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CE901F21205AF28000C688DD /* LaunchScreen.storyboard */,
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CE901F24205AF28000C688DD /* Info.plist */,
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CE901F2A205AF32600C688DD /* CodeInputView.swift */,
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CEBF4F4A2066881500D31600 /* CodeInputField.swift */,
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CEBF4F4C2066A2AD00D31600 /* DotInputField.swift */,
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);
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path = CodeInputView;
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sourceTree = "<group>";
@@ -140,7 +146,9 @@
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buildActionMask = 2147483647;
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files = (
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CE901F2B205AF32600C688DD /* CodeInputView.swift in Sources */,
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CEBF4F4D2066A2AD00D31600 /* DotInputField.swift in Sources */,
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CE901F1B205AF28000C688DD /* ViewController.swift in Sources */,
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CEBF4F4B2066881500D31600 /* CodeInputField.swift in Sources */,
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CE901F19205AF28000C688DD /* AppDelegate.swift in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;

‎CodeInputView/CodeInputField.swift‎

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@@ -0,0 +1,46 @@
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//
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// CodeInputField.swift
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// CodeInputView
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//
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// Created by Isa Aliev on 24.03.18.
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// Copyright © 2018 IA. All rights reserved.
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//
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import Foundation
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import UIKit
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class CodeInputField: UILabel, InputableField {
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private var value: String?
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override init(frame: CGRect) {
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super.init(frame: frame)
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}
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required init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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}
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func deleteValue() {
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value = ""
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text = nil
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}
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func setValue(_ newValue: String) {
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value = newValue
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text = newValue
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}
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func getValue() -> String {
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return value ?? ""
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}
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func isEmpty() -> Bool {
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return value == nil
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}
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}

‎CodeInputView/CodeInputView.swift‎

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Original file line numberDiff line numberDiff line change
@@ -16,29 +16,46 @@ protocol InputableField {
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func isEmpty() -> Bool
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}
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19-
class CodeInputField: UIView, InputableField {
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private var value: String?
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class CodeInputView<T: InputableField&UIView>: UIView, UIKeyInput {
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private var fields = [T]()
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private var currentIndex = 0
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var numberOfFields = 4 {
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didSet {
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configure()
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layoutSubviews()
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}
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}
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22-
func deleteValue() {
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value = ""
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var code = ""
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var horizontalMargins: CGFloat = 8.0 {
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didSet {
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layoutSubviews()
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}
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}
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26-
func setValue(_ newValue: String) {
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value = newValue
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var interFieldSpacing: CGFloat = 8.0 {
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didSet {
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layoutSubviews()
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}
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}
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30-
func getValue() -> String {
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return value ?? ""
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var keyboardType: UIKeyboardType = .numberPad
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private var sizeOfField: CGFloat {
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let frameWidth = frame.width
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let minBySides = min(frameWidth - horizontalMargins * 2, frame.height * 0.8)
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let fieldsCount = fields.count
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return min(minBySides, (frameWidth - interFieldSpacing * CGFloat(fieldsCount - 1) - horizontalMargins * 2.0)/CGFloat(fieldsCount))
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}
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34-
func isEmpty() -> Bool {
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return value == nil
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override var canBecomeFirstResponder: Bool {
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return true
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}
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var hasText: Bool {
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return fields.filter({ !$0.isEmpty() }).count > 0
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}
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}
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class CodeInputView<T: InputableField&UIView>: UIView {
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var fields = [T]()
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var numberOfFields = 4
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override func awakeFromNib() {
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super.awakeFromNib()
@@ -67,25 +84,58 @@ class CodeInputView<T: InputableField&UIView>: UIView {
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private func configure() {
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guard fields.count != numberOfFields else { return }
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70-
for _ in 0..<numberOfFields {
71-
fields.append(T(frame: .zero))
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if numberOfFields > fields.count {
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(0..<(numberOfFields - fields.count)).forEach({ _ in
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insertNewField()
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})
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} else {
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fields[numberOfFields..<fields.count].forEach({ $0.removeFromSuperview() })
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fields.removeSubrange(numberOfFields..<fields.count)
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}
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}
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75-
private func layoutFields() {
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private func insertNewField() {
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let field = T(frame: fields.last?.frame ?? .zero)
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addSubview(field)
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fields.append(field)
77101
}
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79-
var hasText: Bool {
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return false
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private func layoutFields() {
104+
let numberOfFields = fields.count
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let widthOfFields = CGFloat(numberOfFields) / 2.0 * sizeOfField
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let widthOfInterFieldSpacing = (CGFloat(numberOfFields) / 2.0 - 0.5) * interFieldSpacing
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var x = bounds.midX - (widthOfFields + widthOfInterFieldSpacing)
108+
let y = (bounds.height - sizeOfField) * 0.5
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110+
fields.forEach({
111+
let frame = CGRect(x: x, y: y, width: sizeOfField, height: sizeOfField)
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$0.frame = frame
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x += sizeOfField + interFieldSpacing
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})
81115
}
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83117
func insertText(_ text: String) {
118+
guard currentIndex < fields.count else {
119+
return
120+
}
84121

122+
fields[currentIndex].setValue(text)
123+
currentIndex += 1
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updateCode()
85125
}
86126

87127
func deleteBackward() {
128+
guard currentIndex > 0 else {
129+
return
130+
}
88131

132+
currentIndex -= 1
133+
fields[currentIndex].deleteValue()
134+
updateCode()
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}
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private func updateCode() {
138+
code = fields.reduce("", { $0 + $1.getValue() })
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}
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}
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‎CodeInputView/DotInputField.swift‎

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//
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// DotInputField.swift
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// CodeInputView
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//
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// Created by Isa Aliev on 24.03.18.
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// Copyright © 2018 IA. All rights reserved.
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//
8+
9+
import Foundation
10+
import UIKit
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12+
class DotInputField: UIView, InputableField {
13+
struct Configuration {
14+
var dotSize: CGFloat = 15.0
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var fillColor = UIColor.black
16+
var strokeColor = UIColor.black
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var emptyColor = UIColor.clear
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}
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20+
private var value: String?
21+
static var configuration: Configuration = Configuration()
22+
23+
var dotRect: CGRect {
24+
let size = DotInputField.configuration.dotSize
25+
return CGRect(x: (bounds.width - size) * 0.5,
26+
y: (bounds.height - size) * 0.5,
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width: size, height: size)
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}
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30+
var circlePath: UIBezierPath {
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return UIBezierPath(roundedRect: dotRect,
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byRoundingCorners: UIRectCorner.allCorners,
33+
cornerRadii: CGSize(width: dotRect.height / 2.0, height: dotRect.height / 2.0))
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}
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36+
lazy var strokeLayer: CAShapeLayer = {
37+
let layer = CAShapeLayer()
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39+
layer.fillColor = DotInputField.configuration.emptyColor.cgColor
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layer.strokeColor = DotInputField.configuration.strokeColor.cgColor
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42+
return layer
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}()
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override init(frame: CGRect) {
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super.init(frame: frame)
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48+
layer.anchorPoint = CGPoint(x: 0.0, y: 0.0)
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layer.addSublayer(strokeLayer)
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}
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required init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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strokeLayer.path = circlePath.cgPath
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strokeLayer.frame = layer.bounds
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}
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func deleteValue() {
64+
strokeLayer.fillColor = DotInputField.configuration.emptyColor.cgColor
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value = ""
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}
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func setValue(_ newValue: String) {
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strokeLayer.fillColor = DotInputField.configuration.fillColor.cgColor
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value = newValue
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}
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func getValue() -> String {
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return value ?? ""
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}
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func isEmpty() -> Bool {
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return value == nil
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}
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}

‎CodeInputView/ViewController.swift‎

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@@ -9,8 +9,29 @@
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import UIKit
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1111
class ViewController: UIViewController {
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1213
override func viewDidLoad() {
1314
super.viewDidLoad()
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CodeInputField.configuration.emptyStateBlock = { label in
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label.backgroundColor = .gray
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label.layer.cornerRadius = label.bounds.height / 2.0
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label.layer.masksToBounds = true
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label.textAlignment = .center
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}
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CodeInputField.configuration.filledStateBlock = { label in
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label.backgroundColor = .white
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}
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28+
DotInputField.configuration.fillColor = .cyan
29+
let c = CodeInputView<CodeInputField>()
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c.frame = CGRect(x: 16.0, y: 200.0, width: 250.0, height: 100.0)
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c.backgroundColor = .green
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view.addSubview(c)
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c.becomeFirstResponder()
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1435
// Do any additional setup after loading the view, typically from a nib.
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}
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}

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